

Features
Replaceable backflow protectors and duckbill valves for Spectra pump. Compatible with Spectra S2, Spectra S1, Spectra 9 Plus, Spectra Dew 350.
Designed to replace the duckbill valve and membrane every 1-3 months!
Designed to provide the same suction as OEM parts
No milk backflow into the breastpump tube
Made from medical grade material
BPA free / DEHP free


